Samsung Galaxy S8 Active vs Samsung Galaxy A21

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from $165

Display

Size

5.8 inches
6.5 inches

Resolution

2960 x 1440 pixels, 18.5:9 ratio,
568 PPI
1600 x 720 pixels, 20:9 ratio,
270 PPI

Technology

Super AMOLED
IPS LCD

Screen-to-body

74.89 %
79.20 %

Features

HDR video support, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor
Ambient light sensor, Proximity sensor

Hardware

System chip

Qualcomm Snapdragon 835 MSM8998
Mediatek Helio P35

Processor

Octa-core, 2350 MHz, Kryo 280, 64-bit, 10 nm
Octa-core, 2300 MHz, Arm Cortex-A53, 64-bit, 12 nm

GPU

Adreno 540
PowerVR GE8320

RAM

4GB LPDDR4
3GB LPDDR4

Internal storage

64GB
32GB (eMMC 5.1), available to use: 19.8 GB

Storage expansion

microSDXC up to 256 GB
microSDXC up to 512 GB

Device type

Smartphone
Smartphone

OS

Android (9.0 Pie, 8.0 Oreo, 7.0 Nougat), Samsung One UI
Android (10), Samsung One UI

Battery

Capacity

4000 mAh
4000 mAh

Type

Li - Ion, Not user replaceable
Li - Polymer, Not user replaceable

Charging

Qualcomm Quick Charge 2.0, Qi and Powermat wireless charging
Fast charging

Max charge speed

 
Wired: 15.0W

Camera

Rear

Single camera
Quad camera

Main camera

12 MP (OIS, PDAF)
16 MP (PDAF)

Specifications

Aperture size: F1.7; Focal length: 26 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm
Aperture size: F1.8; Sensor size: 1/3.06"; Pixel size: 1 μm

Second camera

 
8 MP (Ultra-wide)

Specifications

 
Aperture size: F2.2; Sensor size: 1/4"; Pixel size: 1.12 μm

Third camera

 
2 MP (Macro)

Specifications

 
Aperture size: F2.4

Fourth camera

 
2 MP (Depth information)

Specifications

 
Aperture size: F2.4

Video recording

3840x2160 (4K UHD) (30 fps), 2560x1440 (QHD), 1920x1080 (Full HD) (60 fps), 1280x720 (HD) (240 fps)
1920x1080 (Full HD) (30 fps)

Features

HDR, Time-lapse video, Hyperlapse, Continuous autofocus, Object tracking, Picture-taking during video recording, Video light, EIS, Video calling, Video sharing
 

Front

8 MP (Wide Angle, Autofocus, HDR)
13 MP

Design

Dimensions

5.99 x 2.95 x 0.39 inches (152.1 x 74.9 x 9.9 mm)
6.61 x 3.02 x 0.32 inches (167.8 x 76.7 x 8.1 mm)

Weight

7.34 oz (208.0 g)
the average is 6.3 oz (179 g)
6.81 oz (193.0 g)
the average is 6.3 oz (179 g)

Materials

 
Back: Plastic; Frame: Plastic

Resistance

Water, Dust, Shock, Vibration, Temperature; IP 68; MIL-STD-810 certified
 

Biometrics

Iris scanner, 2D Face unlock, Fingerprint (touch)
Fingerprint (touch)

Keys

Left: Volume control, Other; Right: Lock/Unlock key
Right: Volume control, Lock/Unlock key

Colors

Gold, Gray
Black

Cellular

LTE (FDD)

Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 20(800 DD), 28(700 APT), 29(700 d), 30(2300 WCS)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 66(AWS-3), 71(600)

LTE (TDD)

Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+)

UMTS

850, 900, 1700/2100, 1900, 2100 MHz
850, 900, 1700/2100, 1900, 2100 MHz

Data Speed

LTE-A Pro Cat 16 (1000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, UMTS
LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

SIM type

Nano SIM
Nano SIM

HD Voice

Yes
Yes

Multimedia

Headphones

3.5mm jack
3.5mm jack

Speakers

Earpiece, Loudspeaker
Earpiece, Loudspeaker

Features

Album art cover, Background playback
 

Screen mirroring

DLNA, Wireless screen share, MHL
Wireless screen share

Radio

 
FM

Additional microphone(s)

for Noise cancellation
 

Connectivity & Features

Bluetooth

5.1, EDR
5.0

Wi-Fi

802.11 a, b, g, n, ac, dual-band, i; MIMO, Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot

USB

Type-C (reversible), USB 3.1
Type-C (reversible), USB 2.0

Features

Mass storage device, Charging
Charging

Location

GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning

Sensors

Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer
Accelerometer, Gyroscope, Compass

Other

NFC, ANT+, UMA (Wi-Fi Calling), Tethering, Computer sync, OTA sync
NFC

Hearing aid compatible

M4, T3
M4, T3

Regulatory Approval

FCC approval

 
 

Date approved

Jun 30, 2017
Apr 17, 2020

FCC ID value: A3LSMG892A link
FCC ID value: ZCASMA215U link

Measured SAR

 
 

Head

0.57 W/kg
0.42 W/kg

Body

0.37 W/kg
1.27 W/kg

Simultaneous Transmission

1.59 W/kg
1.27 W/kg

Wireless Router

0.44 W/kg
1.27 W/kg

Phablet

3.88 W/kg
 

Buyers information

Price

$ 850
$ 250

In The Box

 
Download the Samsu​ng Galaxy A21 Manual as a PDF file.

Availability

Officially announced

Aug 07, 2017
Apr 08, 2020
This copy is for your personal, non-commercial use only. You can order presentation-ready copies for distribution to your colleagues, clients or customers at https://www.parsintl.com/phonearena or use the Reprints & Permissions tool that appears at the bottom of each web page. Visit https://www.parsintl.com/ for samples and additional information.
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